Fig. 7.
a UV–Vis absorption spectra of P-CN, Co-CN-5, Mo-MCN-2, and Co/Mo-MCN-5, b Mott–Schottky plots of P-CN and Co/Mo-MCN-5, c transient photocurrent responses, and d photoluminescence spectra of P-CN, Co-CN-5, and Co/Mo-MCN-5
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